Отметь предложение с ошибкой 1) there is an eagle in the mountains 2) there are lot of fish in the river 3) there are a lot of snake in the desert 4) there is a whale in the ocean

3) A lot of snakeS
То есть в 3 предложении ошибка. Потому-что должно быть мн. число

2) There are lot of fish in the river